*SUPPORT*
IN: lug blicket dax blicket tufa gazzer tufa OUT: YELLOW RED BLUE BLUE BLUE
IN: tufa OUT: BLUE
IN: tufa tufa OUT: BLUE BLUE
IN: lug blicket lug blicket dax OUT: YELLOW YELLOW RED
IN: dax tufa blicket lug OUT: RED BLUE YELLOW
IN: lug tufa OUT: YELLOW BLUE
IN: dax blicket lug OUT: RED YELLOW
IN: fep blicket tufa tufa gazzer tufa zup tufa OUT: GREEN BLUE BLUE BLUE BLUE BLUE BLUE
IN: tufa blicket tufa gazzer dax OUT: BLUE RED BLUE BLUE
IN: fep zup fep gazzer lug OUT: YELLOW GREEN GREEN GREEN GREEN
IN: tufa fep blicket tufa lug OUT: BLUE GREEN BLUE YELLOW
IN: dax blicket dax blicket tufa OUT: RED RED BLUE
IN: fep gazzer dax zup lug OUT: YELLOW RED GREEN GREEN
IN: tufa gazzer fep OUT: GREEN BLUE BLUE

*QUERY*
IN: fep OUT: GREEN
IN: fep tufa dax gazzer dax OUT: RED GREEN BLUE RED GREEN BLUE RED
IN: dax blicket tufa dax gazzer tufa OUT: RED BLUE BLUE RED BLUE RED
IN: lug blicket dax gazzer lug OUT: YELLOW YELLOW RED RED
IN: dax blicket dax OUT: RED RED
IN: fep zup fep OUT: GREEN GREEN
IN: lug OUT: YELLOW
IN: lug fep OUT: YELLOW GREEN
IN: dax OUT: RED
IN: dax lug gazzer dax OUT: RED RED YELLOW RED YELLOW

*GRAMMAR*
lug -> YELLOW 
 dax -> RED 
 fep -> GREEN 
 tufa -> BLUE 
 u1 blicket x1 -> [u1] [x1] 
 x1 gazzer u1 -> [u1] [x1] [x1] 
 x1 zup x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 